Perhaps you should try some spelling variations:
"support social integration theories." » "support social integration theory.", "support social integration through.", "support social integration efforts.", "support global integration theories.", "support financial integration theories.", "support regional integration theories.", "supporting social integration theories.", "supply social integration theories."
"supply crowd testing services." » "supply crowd lending services.", "supply crowd training services.", "supply crowd banking services.", "supply food testing services.", "supply load testing services.", "supply how testing services.", "supply growth testing services.", "supply cost testing services."

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (("support social integration theories.") OR ("supply crowd testing services."))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"support social integration theories.\") OR (\"supply crowd testing services.\"))*".
• Removing quotes may allow a broader search: (( support social integration theories. ) OR ( supply crowd testing services. ))*.